public void CreateWhereContainsLambdaSuccessfully()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules {MemberName = "Prop", MemberValue = "2a"};
var pocos = Enumerable.Range(1, 10).Select(i => new Poco {Prop = string.Format("La {0}a la", i)}).ToList();
Poco expected = pocos[1];
// Act
var mce = lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
var res = pocos.AsQueryable().Where(mce);
var res2 = pocos.Where(p => p.Prop.Contains(contains.MemberValue)).ToList();
// Assert
Assert.AreEqual(1, res.Count());
Assert.AreEqual(expected.Prop, res.First().Prop);
Assert.AreEqual(res2.First().Prop, res.First().Prop);
}
public void ThrowBadRequestIfQueriedPropertyIsNotAString()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules { MemberName = "IntProp", MemberValue = "15" };
var pocos = Enumerable.Range(1, 10).Select(i => new Poco { Prop = string.Format("La {0}a la", i) }).ToList();
// Act
try
{
lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
// Assert
Assert.Fail("Should throw exception");
}
catch (BadRequestException exception)
{
}
catch (Exception e)
{
Assert.Fail("Should throw bad request exception");
}
}
public void ParseObjectExpressionsSuccessfully()
{
var rules = new ContainsFilterRules {MemberName = "value", MemberValue = "10"};
var entities = Enumerable.Range(1, 10).Select(i => new {id = i, value = "lala" + i.ToString(CultureInfo.InvariantCulture)}).ToList();
var lamdaCreator = new LambdaCreator();
var filter = new EntityFilter(lamdaCreator);
var res = filter.FilterWithContains(entities, rules);
Assert.AreEqual(1, res.Count);
Assert.AreEqual(10, res[0].id);
}
public void FilterByContainsSuccessfully()
{
// Arrange
const int max = 30;
var contains = new ContainsFilterRules {MemberName = "Description", MemberValue = max.ToString(CultureInfo.InvariantCulture)};
var entities = Enumerable.Range(1, max)
.Select(value => new UserProjectEntity
{
Created = DateTime.MaxValue - TimeSpan.FromDays(value),
Name = value.ToString(CultureInfo.InvariantCulture),
Description = (value > 4 && value < 10)
? max.ToString(CultureInfo.InvariantCulture)
: "Other description"
})
.ToList();
IFilter filter = new EntityFilter(_lambdaCreator);
// Act
var result = filter.FilterWithContains(entities, contains);
string firstElementName = result.First().Name;
// Assert
Assert.IsTrue(result.All(project => project.Description == max.ToString()));
Assert.AreEqual("5", firstElementName);
Assert.AreEqual(5, result.Count);
}
public void SkipElementOfCollectionIfItsQueriedPropertyIsNull()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules { MemberName = "Prop", MemberValue = "la" };
var pocos = Enumerable.Range(1, 10).Select(i => new Poco { Prop = string.Format("La {0}a la", i) }).ToList();
pocos.Add(new Poco()); // Prop = null.
// Act
var mce = lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
var result = pocos.AsQueryable().Where(mce).ToList();
// Assert
Assert.AreEqual(pocos.Count - 1, result.Count);
}
public void PerformCaseInsensitiveSearchSuccessfully()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules { MemberName = "Prop", MemberValue = "10A" };
var pocos = Enumerable.Range(1, 10).Select(i => new Poco { Prop = string.Format("La {0}a la", i), IntProp = i}).ToList();
// Act
var mce = lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
var result = pocos.AsQueryable().Where(mce).ToList();
// Assert
Assert.AreEqual(10, result.Single().IntProp);
}